XML 44 R33.htm IDEA: XBRL DOCUMENT
v3.19.2

Post Retirement Benefits (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Retirement Benefits [Abstract] |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] | The components of expense for Core Molding Technologies’ post-retirement benefit plans for the three and six months ended June 30, 2019 and 2018 are as follows:
| Three months ended |  | Six Months Ended
| June 30, |  | June 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Pension expense: |  |  |  |  |  |  |
Multi-employer plan | $ | 231,000 |  |  | $ | 185,000 |  |  | $ | 462,000 |  |  | $ | 363,000 |
Defined contribution plan | 324,000 |  |  | 286,000 |  |  | 586,000 |  |  | 545,000 |
Total pension expense | 555,000 |  |  | 471,000 |  |  | 1,048,000 |  |  | 908,000 |
Health and life insurance: |  |  |  |  |  |  |
Interest cost | 72,000 |  |  | 69,000 |  |  | 144,000 |  |  | 138,000 |
Amortization of prior service costs | (125,000 | ) |  | (124,000 | ) |  | (250,000 | ) |  | (248,000 | )
Amortization of net loss | 29,000 |  |  | 43,000 |  |  | 58,000 |  |  | 86,000 |
Net periodic benefit cost | (24,000 | ) |  | (12,000 | ) |  | (48,000 | ) |  | (24,000 | )
Total post retirement benefits expense | $ | 531,000 |  |  | $ | 459,000 |  |  | $ | 1,000,000 |  |  | $ | 884,000 |

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2439-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2410-114920 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e2417-114920 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration